Merge pull request #809 from skinny121/dict_test_cleanup

Cleanup dict test snippet

tests/snippets/dict.py

@@ -110,16 +110,10 @@ assert list(x) == ['a', 'b']
 
 y = x.copy()
 x['c'] = 12
-assert list(y) == ['a', 'b']
-assert y['a'] == 2
-assert y['b'] == 10
+assert dict_eq(y, {'a': 2, 'b': 10})
 
 y.update({'c': 19, "d": -1, 'b': 12})
-assert list(y) == ['a', 'b', 'c', 'd']
-assert y['a'] == 2
-assert y['b'] == 12
-assert y['c'] == 19
-assert y['d'] == -1
+assert dict_eq(y, {'a': 2, 'b': 12, 'c': 19, 'd': -1})
 
 y.update(y)
-assert list(y) == ['a', 'b', 'c', 'd']
+assert dict_eq(y, {'a': 2, 'b': 12, 'c': 19, 'd': -1})  # hasn't changed